8912180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 19240452

約数和(自身を除く): 10328272

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 241, 430, 482, 860, 964, 1205, 1849, 2410, 3698, 4820, 7396, 9245, 10363, 18490, 20726, 36980, 41452, 51815, 103630, 207260, 445609, 891218, 1782436, 2228045, 4456090, 8912180]

約数ペア:

[(1, 8912180), (2, 4456090), (4, 2228045), (5, 1782436), (10, 891218), (20, 445609), (43, 207260), (86, 103630), (172, 51815), (215, 41452), (241, 36980), (430, 20726), (482, 18490), (860, 10363), (964, 9245), (1205, 7396), (1849, 4820), (2410, 3698)]